tsup + sea + .node addon

bundle-wtih-node.sh

node --experimental-sea-config sea-config.json

cp $(command -v node) ./run-gateway-pr-check

npx --yes postject run-gateway-pr-check NODE_SEA_BLOB run-gateway-pr-check.blob --sentinel-fuse NODE_SEA_FUSE_fce680ab2cc467b6e072b8b5df1996b2 copy

sea-config.json

{
  "main": "./dist/run-gateway-pr-check.js",
  "output": "run-gateway-pr-check.blob",
  "disableExperimentalSEAWarning": true,
  "assets": {
    "swc.node": "./dist/swc.node"
  }
}

swc-loader.js

const { createRequire } = require('module');
const seaRequire = createRequire(__filename);

module.exports = seaRequire('./dist/swc.node');

tsup.config.ts

import { defineConfig } from 'tsup';
import path from 'path';
import { cp } from 'fs/promises';
import { createRequire } from 'node:module';

const require = createRequire(import.meta.url);

export default defineConfig({
  entry: ['../run-gateway-pr-check.ts'],
  format: ['cjs'],
  dts: false,
  splitting: false,
  sourcemap: false,
  clean: true,
  platform: 'node',
  define: {
    'process.env.NODE_ENV': JSON.stringify('production'),
  },
  esbuildOptions: (options) => {
    options.alias = {
      ...options.alias,
      '@swc/core-linux-x64-gnu': path.resolve(__dirname, 'swc-loader.js'),
    };
  },
  noExternal: ['*'],
  external: [
    'pnpapi',
    // all native swc modules should be externalized
    // because tsup cant bundle them into a JS file :)
    // but we will still need to copy them into the dist folder
    // because project graph needs them to be present in the package
    ...['@swc/wasm', /swc.*\.node/, '@swc/core-linux-x64-musl'],
  ],
  async onSuccess() {
    const nativeDependencyPath = require.resolve('@swc/core-linux-x64-gnu');
    await cp(nativeDependencyPath, 'dist/swc.node');
  },
});